Israel placed in the top 10 in its highest-ever ranking in the World Happiness Report, an annual index celebrating its 10th anniversary.

Israel slips one spot in the annual report; Tel Aviv comes in eighth in new city ranking.

Two Israeli doctors have developed a system they say will keep their patients healthier their whole lives. And all they have to teach them is how to be happier. "It's really not much more complicated than that," say the doctors.

Laughter may not be the best medicine, but it might help women who are trying to become pregnant through in-vitro fertilization (IVF), a small study suggests.